The two-pronged approach to detecting persistent adversaries
Advanced Persistent Threats use two primary methods of persistence: compromised endpoints and compromised credentials.
Microsoft Defender for Cloud Apps
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DEV-0196: QuaDream’s “KingsPawn” malware used to target civil society in Europe, North America, the Middle East, and Southeast Asia
Microsoft analyzes a threat group tracked as DEV-0196, the actor’s iOS malware “KingsPawn”, and their link to an Israel-based private sector offensive actor (PSOA) known as QuaDream, which reportedly sells a suite of exploits, malware, and infrastructure called REIGN, that’s designed to exfiltrate data from mobile devices. -
Detecting and mitigating a multi-stage AiTM phishing and BEC campaign
Microsoft Defender Experts observed a multi-stage adversary-in-the-middle (AiTM) and business email compromise (BEC) attack targeting banking and financial services organizations over two days. -
Cryptojacking: Understanding and defending against cloud compute resource abuse
Cloud cryptojacking, a type of cyberattack that uses computing power to mine cryptocurrency, could result in financial loss to targeted organizations due to the compute fees that can be incurred from the abuse. Prevent threats with Microsoft Defender
The Microsoft Defender family offers comprehensive threat prevention, detection, and response capabilities for everyone—from individuals looking to protect their family to the world’s largest enterprises.
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Peach Sandstorm password spray campaigns enable intelligence collection at high-value targets
Since February 2023, Microsoft has observed a high volume of password spray attacks attributed to Peach Sandstorm, an Iranian nation-state group. -
Octo Tempest crosses boundaries to facilitate extortion, encryption, and destruction
Microsoft has been tracking activity related to the financially motivated threat actor Octo Tempest, whose evolving campaigns represent a growing concern for many organizations across multiple industries. -
Threat actors misuse OAuth applications to automate financially driven attacks
Microsoft Threat Intelligence presents cases of threat actors misusing OAuth applications as automation tools in financially motivated attacks. -
Midnight Blizzard: Guidance for responders on nation-state attack
The Microsoft security team detected a nation-state attack on our corporate systems on January 12, 2024, and immediately activated our response process to investigate, disrupt malicious activity, mitigate the attack, and deny the threat actor further access. Retain Microsoft Security Experts
Microsoft Security Experts are now available to strengthen your team with managed security services. Learn how to defend against threats with security experts.
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Peach Sandstorm deploys new custom Tickler malware in long-running intelligence gathering operations
Between April and July 2024, Microsoft observed Iranian state-sponsored threat actor Peach Sandstorm deploying a new custom multi-stage backdoor, which we named Tickler. -
Storm-0501: Ransomware attacks expanding to hybrid cloud environments
August 27, 2025 update: Storm-0501 has continuously evolved to achieve sharpened focus on cloud-based TTPs as their primary objective shifted from deploying on-premises endpoint ransomware to using cloud-based ransomware tactics. -
File hosting services misused for identity phishing
Since mid-April 2024, Microsoft has observed an increase in defense evasion tactics used in campaigns abusing file hosting services like SharePoint, OneDrive, and Dropbox. -
Chinese threat actor Storm-0940 uses credentials from password spray attacks from a covert network
Since August 2023, Microsoft has observed intrusion activity targeting and successfully stealing credentials from multiple Microsoft customers that is enabled by highly evasive password spray attacks.
